"Thanks to the Dan Brown bestseller, The Da Vinci Code, most everyone on the planet is now familiar with formerly recondite concepts like the Golden Ratio - a mathematical relationship between three lines, where the longest line is 1.618 times longer than the length of the penultimate length line, which, in turn, is 1.618 times the length of the shortest line. This ratio has shown up everywhere from the pyramids in Egypt, to Da Vinci's Mona Lisa. And now, itâ€™s coming to a pair of blue jeans near you. San Francisco-based Proportionofblu will soon be launching their line of chi chi premium denim, which uses the celebrated ratio to determine pocket- & rivet-placement on the body. "We think that our customers will understand the uniqueness," Richard Derr of Kapsule, Proportionofblu's Los Angeles-based showroom, told WWD. "However, the beauty and workmanship of the product will also grab the attention of buyers and be a strong selling point." While the Golden Ratio aspect of Proportionofblu does indeed make these jeans stand apart from the growing cacaphony of denim glutting the market, what will probably sell this particular line is the fact that they're manufactured in Italy from ritzy Japanese denim, come in two dark & clean washes in the new skinny-legged silhouette, and feature glitzy 18k gold hardware & rivets. (via WWD)." The duo are collaborating with Adriano Goldschmied to develop their washes. The fall collection's look will mostly be dark and clean on Japanese denim. Italian-made 18-karat gold rivets and other fancy hardware top it all off. Wholesale is $95-115 for their four women's styles and two men's styles. Current distribution includes American Rag (LA), Fred Segal (LA), Villains (San Francisco), Barneys New York, and Atrium (NYC).